Finding the Fourth Proportional to 235,139.64, 324,496.58 and 127,709.75
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Solution
The fourth proportional to 235,139.64, 324,496.58 and 127,709.75 is: 176,241.56
Step by Step Solution
- Step 1: Write the proportion equation
235,139.64 : 324,496.58 = 127,709.75 : x - Step 2: Convert to fraction form
235,139.64/324,496.58 = 127,709.75/x - Step 3: Cross multiply
235,139.64x = 324,496.58 × 127,709.75 - Step 4: Simplify right side
235,139.64x = 41,441,377,107.66 - Step 5: Solve for x
x = 41,441,377,107.66/235,139.64 - Step 6: Final answer
x = 176,241.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.